| Subtraction | 6 | 7 | 8 | 9 | 10 |
| 13 | 6-13 = -7 | 7-13 = -6 | 8-13 = -5 | 9-13 = -4 | 10-13 = -3 |
| 14 | 6-14 = -8 | 7-14 = -7 | 8-14 = -6 | 9-14 = -5 | 10-14 = -4 |
| 15 | 6-15 = -9 | 7-15 = -8 | 8-15 = -7 | 9-15 = -6 | 10-15 = -5 |
| 16 | 6-16 = -10 | 7-16 = -9 | 8-16 = -8 | 9-16 = -7 | 10-16 = -6 |
| 17 | 6-17 = -11 | 7-17 = -10 | 8-17 = -9 | 9-17 = -8 | 10-17 = -7 |
| Subtraction | 5.1 | 5.2 | 5.3 | 5.4 | 5.5 | 5.6 |
| 12.1 | 5.1-12.1 = -7 | 5.2-12.1 = -6.9 | 5.3-12.1 = -6.8 | 5.4-12.1 = -6.7 | 5.5-12.1 = -6.6 | 5.6-12.1 = -6.5 |
| 12.2 | 5.1-12.2 = -7.1 | 5.2-12.2 = -7 | 5.3-12.2 = -6.9 | 5.4-12.2 = -6.8 | 5.5-12.2 = -6.7 | 5.6-12.2 = -6.6 |
| 12.3 | 5.1-12.3 = -7.2 | 5.2-12.3 = -7.1 | 5.3-12.3 = -7 | 5.4-12.3 = -6.9 | 5.5-12.3 = -6.8 | 5.6-12.3 = -6.7 |
| 12.4 | 5.1-12.4 = -7.3 | 5.2-12.4 = -7.2 | 5.3-12.4 = -7.1 | 5.4-12.4 = -7 | 5.5-12.4 = -6.9 | 5.6-12.4 = -6.8 |
| 12.5 | 5.1-12.5 = -7.4 | 5.2-12.5 = -7.3 | 5.3-12.5 = -7.2 | 5.4-12.5 = -7.1 | 5.5-12.5 = -7 | 5.6-12.5 = -6.9 |
| 12.6 | 5.1-12.6 = -7.5 | 5.2-12.6 = -7.4 | 5.3-12.6 = -7.3 | 5.4-12.6 = -7.2 | 5.5-12.6 = -7.1 | 5.6-12.6 = -7 |